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Writing/ Mixing Room Layout with a twist....

Posted: Thu Oct 30, 2003 10:24 pm
by christopher
Hi everyone,

this is my first post here, but I have been reading for quite a while, trying to soak up all the great information here - what a task! :shock:

Anyway, I am a composer for film and TV here in Germany and will change location next month - old place just was not represantable enough 8) !
So I will move into two small spare rooms that are part of a large post production place here - lucky me.

Sooo, I intend to use these rooms mostly as writing and auditioning places (some recording of guitar/ violin flute etc) but sometimes I have to mix, too, and obviously I want the room to be at least acceptable, acoustically speaking.

I have tried to understand all of the material at SAE and Johns fantastic site, but I think I definately do need some of your great input...

...since... the room has a weirdness.

Just to the left of the soon-to-be mixing position (or the one that feels right to me) is a double window (which is nice actually) looking into the tracking/ lounge room, which is angled downward but, parallel to the wall on my right! (please look at the attached picture if I have managed to confuse you completely :?: ). As you can see, everything is parallel...

Now I think I understand how to treat the back of the room (see what I sketched in) but I am at a complete loss as to what to do to the front, due to that window (and the fact that it is only 20 cm from the front wall)...
Btw, sound proofing, as in leakage etc. is not necessary.

Any suggestions or actual help would be greatly appreciated - please note that I cannot move walls - but I am somewhat handy with tools and have people to help me.
And Budget wise I will have to spread it out over sometime, as of now, I won´t be able to spend more than 700 € / 800 US$.

Sorry for the long-winded post...: here comes the picture

Posted: Thu Oct 30, 2003 10:28 pm
by christopher
... just in case this is helpful to anyone:

This is what I calculated:

Reverb time:
125 Hz: 1.03 (which confuses me a little...)
250 Hz: 1.69
500 Hz: 1.18
1000 Hz: 0.71
2000 Hz: 0.48

Fundamental 42.8 Hz
1st 85.7 Hz
2nd 128.6 Hz
3rd 171.5 Hz

"Help me, I feel so parallel..."

Posted: Fri Oct 31, 2003 8:39 am
by John Sayers
Hi Christopher - I'm in an internet cafe cos my phone is down so I can't do a drawing for you but why not build a false window over your existing window that has glass but is angled like a splay front - then build a matching one for the opposite (right) wall.??

cheers
john

Posted: Fri Oct 31, 2003 6:52 pm
by christopher
John, thanks for your reply!

Did I get this right (the right idea, i mean)?

If yes, wow, that´s much more construction than I was hoping for... and I have no idea on how to to that.. well, you live, you learn, I guess...

Posted: Sat Nov 01, 2003 3:14 am
by christopher
Sorry, don´t mean to spam...

Some refinements on what I think the idea is/ and that I have no idea on how to accomplish....any thoughts?

Also, 2nd pic is just an idea of what might be a cheapo solution (and which doesn´t involve building two walls :shock: ).
Idea is to build an identical thingie on my right hand side... with some _heavy_ curtains that I could pull over the window(s) when I start mixing...
If this is just nonsense, please tell me...

Posted: Sat Nov 01, 2003 6:09 pm
by christopher
.. talking to myself here... but hey, that helps sometimes, too :idea:

Anyway, I think my "cheapo" idea from last night is stupid - but I had another idea this morning, which I think might work.

Could I angle the window sideways (to the back, like it should be, about 6 degrees if possible) instead of downwards and build a mirror image on my right hand side? I think that would solve my biggest problems and might be the easiest, construction wise, as I could get someone to to it and it should not be that expensive...

Btw, forgot to mention the window is about my height, starting a little above the floor to a little above my head (standing up).

Any thoughts would be greatly appreciated.

Posted: Wed Nov 05, 2003 12:22 am
by christopher
Anyone?

Posted: Wed Nov 05, 2003 12:54 am
by giles117
Well don't hurt your brain, what you came up with here is fine.

<img src ="http://www.johnlsayers.com/phpBB2/files/plan2_135.jpg" /img>

I would do something behind the monitors (absorption) just to absorb the reflections off the back of them seeing as you are not doing soffits.

Bryan Giles

Posted: Wed Nov 05, 2003 4:06 am
by christopher
Thanks for the reply Bryan!

Problem is that I have no clue on how to build those walls and was looking for a way around that... new challenge, I guess
:shock:

Posted: Wed Nov 05, 2003 4:23 am
by giles117
Chris, they are way easier to build than you think. It is just a simple stud network at an angle. I used drywall to close the inside of the stud walls and sealed it with acoustical sealent. Then I put the insulation between the studs/stapled fabric and then put up the slats I used 1x4 and 1x6 in my control room, 1x3 and 1x6 in the live room.

Bryan Giles